sli/provider/src/main/java/org/openecomp/sdnc/sli/provider/UpdateNodeExecutor.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * openECOMP : SDN-C
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights
   6  *                                              reserved.
   7  * ================================================================================
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  * ============LICENSE_END=========================================================
  20  */
  21
  22 package org.openecomp.sdnc.sli.provider;
  23
  24 import java.util.HashMap;
  25 import java.util.Iterator;
  26 import java.util.Map;
  27 import java.util.Set;
  28
  29 import org.openecomp.sdnc.sli.SvcLogicContext;
  30 import org.openecomp.sdnc.sli.SvcLogicException;
  31 import org.openecomp.sdnc.sli.SvcLogicExpression;
  32 import org.openecomp.sdnc.sli.SvcLogicNode;
  33 import org.openecomp.sdnc.sli.SvcLogicResource;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36
  37 public class UpdateNodeExecutor extends SvcLogicNodeExecutor {
  38
  39         private static final Logger LOG = LoggerFactory
  40                         .getLogger(UpdateNodeExecutor.class);
  41
  42         @Override
  43         public SvcLogicNode execute(SvcLogicServiceImpl svc, SvcLogicNode node,
  44                         SvcLogicContext ctx) throws SvcLogicException {
  45
  46                 String plugin = SvcLogicExpressionResolver.evaluate(
  47                                 node.getAttribute("plugin"), node, ctx);
  48                 String resourceType = SvcLogicExpressionResolver.evaluate(
  49                                 node.getAttribute("resource"), node, ctx);
  50                 String key = SvcLogicExpressionResolver.evaluateAsKey(
  51                                 node.getAttribute("key"), node, ctx);
  52                 String pfx = SvcLogicExpressionResolver.evaluate(
  53                                 node.getAttribute("pfx"), node, ctx);
  54
  55
  56                 Map<String, String> parmMap = new HashMap<String, String>();
  57
  58                 Set<Map.Entry<String, SvcLogicExpression>> parmSet = node
  59                                 .getParameterSet();
  60                 boolean hasParms = false;
  61
  62                 for (Iterator<Map.Entry<String, SvcLogicExpression>> iter = parmSet
  63                                 .iterator(); iter.hasNext();) {
  64                         hasParms = true;
  65                         Map.Entry<String, SvcLogicExpression> curEnt = iter.next();
  66                         String curName = curEnt.getKey();
  67                         SvcLogicExpression curExpr = curEnt.getValue();
  68                         if (curExpr != null) {
  69                                 String curExprValue = SvcLogicExpressionResolver.evaluate(
  70                                                 curExpr, node, ctx);
  71
  72                                 LOG.debug("Parameter " + curName + " = "
  73                                                 + curExpr.asParsedExpr() + " resolves to "
  74                                                 + curExprValue);
  75
  76                                 parmMap.put(curName, curExprValue);
  77                         }
  78                 }
  79
  80                 String outValue = "failure";
  81
  82                 if (LOG.isDebugEnabled()) {
  83                         LOG.debug("save node encountered - looking for resource class "
  84                                         + plugin);
  85                 }
  86
  87
  88         SvcLogicResource resourcePlugin = getSvcLogicResource(plugin);
  89
  90
  91                         if (resourcePlugin != null) {
  92
  93                                 try {
  94                                         switch (resourcePlugin.update(resourceType, key,
  95                                                         parmMap, pfx, ctx)) {
  96                                         case SUCCESS:
  97                                                 outValue = "success";
  98                                                 break;
  99                                         case NOT_FOUND:
 100                                                 outValue = "not-found";
 101                                                 break;
 102                                         case FAILURE:
 103                                         default:
 104                                                 outValue = "failure";
 105                                         }
 106                                 } catch (SvcLogicException e) {
 107                                         LOG.error("Caught exception from resource plugin", e);
 108                                         outValue = "failure";
 109                                 }
 110                         } else {
 111                                 LOG.warn("Could not find SvcLogicResource object for plugin "
 112                                                 + plugin);
 113                         }
 114
 115                 SvcLogicNode nextNode = node.getOutcomeValue(outValue);
 116                 if (nextNode != null) {
 117                         if (LOG.isDebugEnabled()) {
 118                                 LOG.debug("about to execute " + outValue + " branch");
 119                         }
 120                         return (nextNode);
 121                 }
 122
 123                 nextNode = node.getOutcomeValue("Other");
 124                 if (nextNode != null) {
 125                         if (LOG.isDebugEnabled()) {
 126                                 LOG.debug("about to execute Other branch");
 127                         }
 128                 } else {
 129                         if (LOG.isDebugEnabled()) {
 130                                 LOG.debug("no "+outValue+" or Other branch found");
 131                         }
 132                 }
 133                 return (nextNode);
 134         }
 135
 136 }